Userscript and bookmarklet to obtain your Stack Exchange chat fkey

bookmarklet.txt

javascript:(function(){'use strict';const button=document.createElement("button");button.appendChild(document.createTextNode("get fkey"));button.setAttribute("class","button");button.setAttribute("onclick","alert(document.getElementById('fkey').getAttribute('value'));");document.getElementById("chat-buttons").appendChild(button)})();

userscript.js

// ==UserScript==
// @name         Get fkey
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Get your Stack Exchange chat fkey
// @author       PlaceReporter99
// @match        https://chat.stackexchange.com/**
// @match        https://chat.stackoverflow.com/**
// @match        https://chat.meta.stackexchange.com/**
// @icon         https://www.google.com/s2/favicons?sz=64&domain=stackexchange.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const button = document.createElement("button");
    button.appendChild(document.createTextNode("get fkey"));
    button.setAttribute("class", "button");
    button.setAttribute("onclick", "alert(document.getElementById('fkey').getAttribute('value'));");
    document.getElementById("chat-buttons").appendChild(button);

})();